Princeton University has overturned one of American academia’s longest-standing traditions, voting to introduce proctors at all in-person exams beginning this summer. The move ends a 133-year-old policy rooted in the university’s honor code, which had trusted students to self-regulate since 1893. Faculty approved the change after administrators acknowledged that cheating had become “widespread,” driven largely by the rise of artificial intelligence tools.
AI Makes Cheating Harder to Detect
Princeton dean Michael Gordin cited AI as a central factor, noting that it has made academic dishonesty far more accessible while simultaneously erasing the usual warning signs that professors once relied upon. Students can now discreetly consult AI on laptops or smartphones mid-exam, making violations nearly invisible. Adding to the problem, students have been unwilling to report suspected cheaters, fearing retaliation from classmates. Anonymous tip-offs rarely provided enough detail for administrators to act.
Under the updated policy, professors will monitor exams, document suspected violations, and refer cases to the student-run honor committee for review. Students will still be required to sign the traditional honor pledge upon completing their exam.
Survey Reveals Depth of the Problem
A 2025 survey by The Daily Princetonian painted a stark picture. Nearly 30% of over 500 Princeton seniors admitted to cheating at least once during their studies. Around 45% said they had witnessed an honor code violation without reporting it, while fewer than 1 in 200 had ever turned in a fellow student.
Princeton joins universities nationwide in rethinking academic integrity policies as AI reshapes education. Educators warn that beyond grades, what is ultimately at risk is the genuine development of critical thinking skills in future generations.